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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 20 — Oct. 15, 2005
  • pp: 2799–2801

In situ characterization of semiconductor saturable absorber mirrors in an operating Yb:KGW mode-locked laser

Gabriela Paunescu, Joachim Hein, Roland Sauerbrey, and Wolfgang Richter  »View Author Affiliations

Optics Letters, Vol. 30, Issue 20, pp. 2799-2801 (2005)

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We report in situ characterization of a semiconductor saturable absorber mirror (SESAM) in an operating Yb:KGW mode-locked laser. The technique may be described as a pump-probe experiment in which the intracavity beam acts as a pump beam while the output of the same laser is used as a test beam for the SESAM reflectivity. At zero delay, the probe pulse overlaps in time with the subsequent intracavity pulse. The method is an alternative to standard pump-probe measurements in situations where the intracavity parameters such as energy fluence onto the SESAM, pulse length, and center wavelength cannot be achieved simultaneously with available lasers.

© 2005 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

Gabriela Paunescu, Joachim Hein, Roland Sauerbrey, and Wolfgang Richter, "In situ characterization of semiconductor saturable absorber mirrors in an operating Yb:KGW mode-locked laser," Opt. Lett. 30, 2799-2801 (2005)

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